There is some information out there to suggest that synthetic oil will reduce fuel mileage. If memory services me correctly it's due to some kind of temporary shearing of the oil in the bearings that occurs more with conventional oil.
Honestly, you can't make this stuff up.
Some fleet management noticed this. I also read an article about this from ...Lubrizal maybe?????
www.government-fleet.com
here is the article...look at disadvantages of synthetic oil
www.machinerylubrication.com
Honestly, you can't make this stuff up.
Some fleet management noticed this. I also read an article about this from ...Lubrizal maybe?????

Mythbusters: Fleet Edition
A veteran fleet manager and his team of experts identify several common fleet management myths that may be costing your fleet.

Synthetic Oil Explained | Synthetic vs. Conventional Oil |Machinery Lubrication
Synthetic oil is a lubricant made up of artificially made chemical compounds. Read about how synthetic oil compares with conventional oil and more.

Last edited: